Grace Park has landed a high-profile new gig: she'll be joining the cast of ABC's upcoming tearjerker series A Million Little Things, Deadline reports.

Park will play Katherine, a successful attorney who struggles to balance her career and her family life. When she married Eddie (David Giuntoli), he was a successful musician, but now that his career has stalled it's up to Katherine to become the sole provider. Park is be replacing Anne Son, who played Katherine in the pilot.

There are a lot of other notable names in the ensemble cast, including James Roday, Ron Livingston and Romany Malco. The series also stars Allison Miller, Christina Moses, Christina Ochoa, Stephanie Szostak and Lizzy Greene. A Million Little Things follows a group of friends who are brought back together after one of them commits suicide, an event which inspires them all to take stock of their own lives and relationships.

James Roday's A Million Little Things Is Next Season's This Is Us

Park is best known for starring on Battlestar Galactica as Boomer and Athena, and Hawaii Five-0 as Officer Kono Kalakaua. She left Hawaii Five-0 last year due to a pay dispute and A Million Little Things marks her first TV gig since.

A Million Little Things will air Wednesdays at 10/9c on ABC this fall.